Changeset 584 for trunk/kernel/syscalls/sys_read.c

Timestamp:

Nov 1, 2018, 12:13:45 PM (5 years ago)

Author:

alain

Message:

Introduce sys_place_fork() function.

File:

• trunk/kernel/syscalls/sys_read.c (modified) (9 diffs)

trunk/kernel/syscalls/sys_read.c

@@ -72 +72 @@
 #if DEBUG_SYS_READ
 if( DEBUG_SYS_READ < tm_start )
-printk("\n[DBG] %s : thread %x in process %x enter / vaddr %x / count %d / cycle %d\n",
-__FUNCTION__, this->trdid, process->pid, vaddr, count, (uint32_t)tm_start );
+printk("\n[DBG] %s : thread[%x,%x] enter / vaddr %x / count %d / cycle %d\n",
+__FUNCTION__, process->pid, this->trdid, vaddr, count, (uint32_t)tm_start );
 #endif
 
@@ -85 +85 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : illegal file descriptor index = %d\n", __FUNCTION__ , file_id );
+printk("\n[ERROR] in %s : thread[%x,%x] illegal file descriptor index = %d\n",
+__FUNCTION__ , process->pid, this->trdid, file_id );
 #endif
                 this->errno = EBADFD;
@@ -98 +99 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : user buffer unmapped %x / thread %x / process %x\n",
-__FUNCTION__ , (intptr_t)vaddr, this->trdid, process->pid );
+printk("\n[ERROR] in %s : thread[%x,%x] user buffer unmapped %x\n",
+__FUNCTION__ , process->pid, this->trdid, (intptr_t)vaddr );
 vmm_display( process , false );
 #endif
@@ -116 +117 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : undefined fd_id %d in process %x\n",
-__FUNCTION__ , file_id , process->pid );
+printk("\n[ERROR] in %s : thread[%x,%x] undefined fd_id %d\n",
+__FUNCTION__, process->pid, this->trdid, file_id );
 #endif
         this->errno = EBADFD;
@@ -127 +128 @@
     cxy_t        file_cxy = GET_CXY( file_xp );
 
-    // check file readable
-    uint32_t attr = hal_remote_l32( XPTR( file_cxy , &file_ptr->attr ) );
-    if( (attr & FD_ATTR_READ_ENABLE) == 0 )
-        {
-
-#if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : file %d not readable in process %x\n",
-__FUNCTION__ , file_id , process->pid );
-#endif
-                this->errno = EBADFD;
-                return -1;
-        }
-    
     // get file type
     vfs_inode_type_t type = hal_remote_l32( XPTR( file_cxy , &file_ptr->type ) );
@@ -153 +141 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s : file %d not readable in process %x\n",
-__FUNCTION__ , file_id , process->pid );
+printk("\n[ERROR] in %s : thread[%x,%x] file %d not readable\n",
+__FUNCTION__, process->pid, this->trdid, file_id );
 #endif
                     this->errno = EBADFD;
@@ -185 +173 @@
             {
                 if( (iter & 0xFFF) == 0 )
-                printk("\n[WARNING] in %s : thread %x in process %x wait TXT_RX / cycle %d\n",
-                __FUNCTION__, this->trdid, process->pid, (uint32_t)hal_get_cycles() );
+                printk("\n[WARNING] in %s : thread[%x,%x] wait TXT_RX / cycle %d\n",
+                __FUNCTION__, process->pid, this->trdid, (uint32_t)hal_get_cycles() );
 
                 // deschedule without blocking
@@ -216 +204 @@
 
 #if DEBUG_SYSCALLS_ERROR
-printk("\n[ERROR] in %s cannot read data from file %d in process %x\n",
-__FUNCTION__ , file_id , process->pid );
+printk("\n[ERROR] in %s : thread[%x,‰x] cannot read data from file %d\n",
+__FUNCTION__, process->pid, this->trdid, file_id );
 #endif
         this->errno = error;
@@ -234 +222 @@
 #if DEBUG_SYS_READ
 if( DEBUG_SYS_READ < tm_end )
-printk("\n[DBG] %s : thread %x in process %x exit / cycle %d\n",
-__FUNCTION__ , this->trdid, process->pid, (uint32_t)tm_end );
+printk("\n[DBG] %s : thread[%x,%x] exit / cycle %d\n",
+__FUNCTION__ , process->pid, this->trdid, (uint32_t)tm_end );
 #endif